WASHINGTON — A federal panel convened after the deadly school shooting in Parkland, Florida, will issue a series of best practices to make schools safer, including recommendations on arming teachers, a senior Education Department official told The Associated Press. Age restrictions on gun purchases also are being considered.

In Detroit, teachers Matt Ridenour and Josette Rechul recently announced the launch of the TABS (Tracking Appropriate Behaviours) system — a web-based software application designed to assist schools with student management issues.

SANTA FE, Texas — The mother of one of the 10 people killed at a Texas high school said her daughter recently rejected the romantic advances of the 17-year-old charged in the shootings, a possible motive for the violent tragedy.

SANTA FE, Texas — At least one gunman opened fire at a Houston-area high school Friday, killing eight to 10 people, most of them students, authorities said, in the nation's deadliest such attack since the massacre in Florida that gave rise to a campaign by teens for gun control.

COCONUT CREEK, Fla. — Faulty classroom design and failures in the police radio and 911 systems contributed to the chaos and deaths during the recent Florida high school massacre, a commission investigating the shooting was told at its first meeting Tuesday.

PLEASANT HILL, Iowa — As she learned the basics of applying direct pressure, packing a wound with gauze and tying a tourniquet, sixth-grade math and social studies teacher Kari Stafford shook her head at the thought that this may now be an essential skill for her profession.

PITTSBURGH — A Pennsylvania school district has cancelled an active-shooter training event over concerns raised about "violent, homophobic and anti-Muslim" social media posts by the company conducting it.

DETROIT — Alondra Alvarez lives about five minutes from her high school on Detroit's southwest side but she drives there instead of walking because her mother fears for her safety. Once the 18-year-old enters the building, her surroundings take on a more secure feel almost immediately as she passes through a bank of closely monitored metal detectors.